23742543407 has 12 divisors (see below), whose sum is σ = 26939024448. Its totient is φ = 20887864800.

The previous prime is 23742543389. The next prime is 23742543427. The reversal of 23742543407 is 70434524732.

It is not a de Polignac number, because 23742543407 - 2²⁰ = 23741494831 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 (23742543427) 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 11 ways as a sum of consecutive naturals, for example, 3161078 + ... + 3168579.

It is an arithmetic number, because the mean of its divisors is an integer number (2244918704).

Almost surely, 2^23742543407 is an apocalyptic number.

23742543407 is a deficient number, since it is larger than the sum of its proper divisors (3196481041).

23742543407 is a wasteful number, since it uses less digits than its factorization.

23742543407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329710 (or 6329699 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 41.

The spelling of 23742543407 in words is "twenty-three billion, seven hundred forty-two million, five hundred forty-three thousand, four hundred seven".