123001131233 has 16 divisors (see below), whose sum is σ = 130796798976. Its totient is φ = 115410335040.

The previous prime is 123001131217. The next prime is 123001131257. The reversal of 123001131233 is 332131100321.

It is a cyclic number.

It is not a de Polignac number, because 123001131233 - 2⁴ = 123001131217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123001131133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11344691 + ... + 11355527.

It is an arithmetic number, because the mean of its divisors is an integer number (8174799936).

Almost surely, 2^123001131233 is an apocalyptic number.

It is an amenable number.

123001131233 is a deficient number, since it is larger than the sum of its proper divisors (7795667743).

123001131233 is a wasteful number, since it uses less digits than its factorization.

123001131233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20224.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123001131233 its reverse (332131100321), we get a palindrome (455132231554).

The spelling of 123001131233 in words is "one hundred twenty-three billion, one million, one hundred thirty-one thousand, two hundred thirty-three".