40923557 has 8 divisors (see below), whose sum is σ = 41338752. Its totient is φ = 40510800.

The previous prime is 40923551. The next prime is 40923563. The reversal of 40923557 is 75532904.

It is an interprime number because it is at equal distance from previous prime (40923551) and next prime (40923563).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40923557 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 (40923551) 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, 55928 + ... + 56654.

It is an arithmetic number, because the mean of its divisors is an integer number (5167344).

Almost surely, 2^40923557 is an apocalyptic number.

It is an amenable number.

40923557 is a deficient number, since it is larger than the sum of its proper divisors (415195).

40923557 is a wasteful number, since it uses less digits than its factorization.

40923557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 40923557 is about 6397.1522570594. The cubic root of 40923557 is about 344.6072882174.

The spelling of 40923557 in words is "forty million, nine hundred twenty-three thousand, five hundred fifty-seven".