40167423 has 12 divisors (see below), whose sum is σ = 58278168. Its totient is φ = 26658960.

The previous prime is 40167419. The next prime is 40167427. The reversal of 40167423 is 32476104.

It is an interprime number because it is at equal distance from previous prime (40167419) and next prime (40167427).

It is not a de Polignac number, because 40167423 - 2² = 40167419 is a prime.

It is a super-2 number, since 2×40167423² = 3226843740921858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40167427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7788 + ... + 11873.

It is an arithmetic number, because the mean of its divisors is an integer number (4856514).

Almost surely, 2^40167423 is an apocalyptic number.

40167423 is a deficient number, since it is larger than the sum of its proper divisors (18110745).

40167423 is a wasteful number, since it uses less digits than its factorization.

40167423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19894 (or 19891 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40167423 is about 6337.7774495481. Note that the first 3 decimals coincide. The cubic root of 40167423 is about 342.4716740031.

The spelling of 40167423 in words is "forty million, one hundred sixty-seven thousand, four hundred twenty-three".