23465155623 has 48 divisors (see below), whose sum is σ = 39220193376. Its totient is φ = 12369127680.

The previous prime is 23465155583. The next prime is 23465155661. The reversal of 23465155623 is 32655156432.

It is a happy number.

It is not a de Polignac number, because 23465155623 - 2⁹ = 23465155111 is a prime.

It is a super-2 number, since 2×23465155623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23465155123) 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 47 ways as a sum of consecutive naturals, for example, 3920293 + ... + 3926273.

It is an arithmetic number, because the mean of its divisors is an integer number (817087362).

Almost surely, 2^23465155623 is an apocalyptic number.

23465155623 is a deficient number, since it is larger than the sum of its proper divisors (15755037753).

23465155623 is a wasteful number, since it uses less digits than its factorization.

23465155623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064 (or 8057 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The spelling of 23465155623 in words is "twenty-three billion, four hundred sixty-five million, one hundred fifty-five thousand, six hundred twenty-three".