23748873091 has 4 divisors (see below), whose sum is σ = 24998813800. Its totient is φ = 22498932384.

The previous prime is 23748873067. The next prime is 23748873101. The reversal of 23748873091 is 19037884732.

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

It is not a de Polignac number, because 23748873091 - 2⁹ = 23748872579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23748873041) 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, 624970326 + ... + 624970363.

It is an arithmetic number, because the mean of its divisors is an integer number (6249703450).

Almost surely, 2^23748873091 is an apocalyptic number.

23748873091 is a deficient number, since it is larger than the sum of its proper divisors (1249940709).

23748873091 is a wasteful number, since it uses less digits than its factorization.

23748873091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249940708.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 23748873091 in words is "twenty-three billion, seven hundred forty-eight million, eight hundred seventy-three thousand, ninety-one".