23005558497 has 4 divisors (see below), whose sum is σ = 30674078000. Its totient is φ = 15337038996.

The previous prime is 23005558489. The next prime is 23005558519. The reversal of 23005558497 is 79485550032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23005558497 - 2³ = 23005558489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23005558427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3834259747 + ... + 3834259752.

It is an arithmetic number, because the mean of its divisors is an integer number (7668519500).

Almost surely, 2^23005558497 is an apocalyptic number.

It is an amenable number.

23005558497 is a deficient number, since it is larger than the sum of its proper divisors (7668519503).

23005558497 is an equidigital number, since it uses as much as digits as its factorization.

23005558497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668519502.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 23005558497 in words is "twenty-three billion, five million, five hundred fifty-eight thousand, four hundred ninety-seven".