397042302723 has 32 divisors (see below), whose sum is σ = 612001958400. Its totient is φ = 226667347200.

The previous prime is 397042302691. The next prime is 397042302731. The reversal of 397042302723 is 327203240793.

It is not a de Polignac number, because 397042302723 - 2⁵ = 397042302691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397042302733) 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 31 ways as a sum of consecutive naturals, for example, 5020303 + ... + 5098776.

It is an arithmetic number, because the mean of its divisors is an integer number (19125061200).

Almost surely, 2^397042302723 is an apocalyptic number.

397042302723 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

397042302723 is a deficient number, since it is larger than the sum of its proper divisors (214959655677).

397042302723 is a wasteful number, since it uses less digits than its factorization.

397042302723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10119163.

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 397042302723 in words is "three hundred ninety-seven billion, forty-two million, three hundred two thousand, seven hundred twenty-three".