39403970023 has 8 divisors (see below), whose sum is σ = 44468430480. Its totient is φ = 34586556480.

The previous prime is 39403969993. The next prime is 39403970051. The reversal of 39403970023 is 32007930493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39403970023 - 2⁹ = 39403969511 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 (39403970083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61761390 + ... + 61762027.

It is an arithmetic number, because the mean of its divisors is an integer number (5558553810).

Almost surely, 2^39403970023 is an apocalyptic number.

39403970023 is a deficient number, since it is larger than the sum of its proper divisors (5064460457).

39403970023 is a wasteful number, since it uses less digits than its factorization.

39403970023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123523457.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 39403970023 in words is "thirty-nine billion, four hundred three million, nine hundred seventy thousand, twenty-three".