23223020299949 has 2 divisors, whose sum is σ = 23223020299950. Its totient is φ = 23223020299948.

The previous prime is 23223020299943. The next prime is 23223020299987. The reversal of 23223020299949 is 94999202032232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22245542044324 + 977478255625 = 4716518^2 + 988675^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223020299949 - 2²⁸ = 23222751864493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23223020299894 and 23223020299903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223020299943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611510149974 + 11611510149975.

It is an arithmetic number, because the mean of its divisors is an integer number (11611510149975).

Almost surely, 2^{23223020299949} is an apocalyptic number.

It is an amenable number.

23223020299949 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223020299949 is an equidigital number, since it uses as much as digits as its factorization.

23223020299949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 56.

The spelling of 23223020299949 in words is "twenty-three trillion, two hundred twenty-three billion, twenty million, two hundred ninety-nine thousand, nine hundred forty-nine".