42310723294 has 32 divisors (see below), whose sum is σ = 74609450496. Its totient is φ = 17615504160.

The previous prime is 42310723291. The next prime is 42310723297. The reversal of 42310723294 is 49232701324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42310723291) and next prime (42310723297).

It is a super-2 number, since 2×42310723294² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42310723291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269559 + ... + 396589.

It is an arithmetic number, because the mean of its divisors is an integer number (2331545328).

Almost surely, 2^42310723294 is an apocalyptic number.

42310723294 is a deficient number, since it is larger than the sum of its proper divisors (32298727202).

42310723294 is a wasteful number, since it uses less digits than its factorization.

42310723294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127720.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 42310723294 in words is "forty-two billion, three hundred ten million, seven hundred twenty-three thousand, two hundred ninety-four".