23197012933 has 4 divisors (see below), whose sum is σ = 23280756940. Its totient is φ = 23113268928.

The previous prime is 23197012921. The next prime is 23197012957. The reversal of 23197012933 is 33921079132.

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 1862612964 + 21334399969 = 43158^2 + 146063^2 .

It is a cyclic number.

It is not a de Polignac number, because 23197012933 - 2¹³ = 23197004741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23197010933) 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, 41871588 + ... + 41872141.

It is an arithmetic number, because the mean of its divisors is an integer number (5820189235).

Almost surely, 2^23197012933 is an apocalyptic number.

It is an amenable number.

23197012933 is a deficient number, since it is larger than the sum of its proper divisors (83744007).

23197012933 is an equidigital number, since it uses as much as digits as its factorization.

23197012933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83744006.

The product of its (nonzero) digits is 61236, while the sum is 40.

The spelling of 23197012933 in words is "twenty-three billion, one hundred ninety-seven million, twelve thousand, nine hundred thirty-three".