23345400497 has 2 divisors, whose sum is σ = 23345400498. Its totient is φ = 23345400496.

The previous prime is 23345400493. The next prime is 23345400523. The reversal of 23345400497 is 79400454332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15729173056 + 7616227441 = 125416^2 + 87271^2 .

It is a cyclic number.

It is not a de Polignac number, because 23345400497 - 2² = 23345400493 is a prime.

It is not a weakly prime, because it can be changed into another prime (23345400493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11672700248 + 11672700249.

It is an arithmetic number, because the mean of its divisors is an integer number (11672700249).

Almost surely, 2^23345400497 is an apocalyptic number.

It is an amenable number.

23345400497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23345400497 is an equidigital number, since it uses as much as digits as its factorization.

23345400497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 23345400497 in words is "twenty-three billion, three hundred forty-five million, four hundred thousand, four hundred ninety-seven".