23907470995993 has 4 divisors (see below), whose sum is σ = 25746507226468. Its totient is φ = 22068434765520.

The previous prime is 23907470995957. The next prime is 23907470996027. The reversal of 23907470995993 is 39959907470932.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7054697220624 + 16852773775369 = 2656068^2 + 4105213^2 .

It is not a de Polignac number, because 23907470995993 - 2⁹ = 23907470995481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23907470995393) 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, 919518115218 + ... + 919518115243.

It is an arithmetic number, because the mean of its divisors is an integer number (6436626806617).

Almost surely, 2^{23907470995993} is an apocalyptic number.

It is an amenable number.

23907470995993 is a deficient number, since it is larger than the sum of its proper divisors (1839036230475).

23907470995993 is a wasteful number, since it uses less digits than its factorization.

23907470995993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839036230474.

The product of its (nonzero) digits is 1041624360, while the sum is 76.

The spelling of 23907470995993 in words is "twenty-three trillion, nine hundred seven billion, four hundred seventy million, nine hundred ninety-five thousand, nine hundred ninety-three".