123033204532949 has 2 divisors, whose sum is σ = 123033204532950. Its totient is φ = 123033204532948.

The previous prime is 123033204532897. The next prime is 123033204532999. The reversal of 123033204532949 is 949235402330321.

It is an a-pointer prime, because the next prime (123033204532999) can be obtained adding 123033204532949 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62519352258724 + 60513852274225 = 7906918^2 + 7779065^2 .

It is an emirp because it is prime and its reverse (949235402330321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123033204532949 is a prime.

It is a super-2 number, since 2×123033204532949² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123033204532897 and 123033204532906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123033204532999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61516602266474 + 61516602266475.

It is an arithmetic number, because the mean of its divisors is an integer number (61516602266475).

Almost surely, 2^{123033204532949} is an apocalyptic number.

It is an amenable number.

123033204532949 is a deficient number, since it is larger than the sum of its proper divisors (1).

123033204532949 is an equidigital number, since it uses as much as digits as its factorization.

123033204532949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 123033204532949 in words is "one hundred twenty-three trillion, thirty-three billion, two hundred four million, five hundred thirty-two thousand, nine hundred forty-nine".