23490697907 has 4 divisors (see below), whose sum is σ = 23518237680. Its totient is φ = 23463158136.

The previous prime is 23490697859. The next prime is 23490697933. The reversal of 23490697907 is 70979609432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23490697907 - 2¹⁴ = 23490681523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23490697007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13768607 + ... + 13770312.

It is an arithmetic number, because the mean of its divisors is an integer number (5879559420).

Almost surely, 2^23490697907 is an apocalyptic number.

23490697907 is a deficient number, since it is larger than the sum of its proper divisors (27539773).

23490697907 is an equidigital number, since it uses as much as digits as its factorization.

23490697907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27539772.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 23490697907 in words is "twenty-three billion, four hundred ninety million, six hundred ninety-seven thousand, nine hundred seven".