57723434 has 8 divisors (see below), whose sum is σ = 87064068. Its totient is φ = 28702080.

The previous prime is 57723431. The next prime is 57723437. The reversal of 57723434 is 43432775.

It is an interprime number because it is at equal distance from previous prime (57723431) and next prime (57723437).

It can be written as a sum of positive squares in 2 ways, for example, as 57714409 + 9025 = 7597^2 + 95^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 57723394 and 57723403.

It is not an unprimeable number, because it can be changed into a prime (57723431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79367 + ... + 80090.

Almost surely, 2^57723434 is an apocalyptic number.

57723434 is a deficient number, since it is larger than the sum of its proper divisors (29340634).

57723434 is a wasteful number, since it uses less digits than its factorization.

57723434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159640.

The product of its digits is 70560, while the sum is 35.

The square root of 57723434 is about 7597.5939612485. The cubic root of 57723434 is about 386.4714232629.

The spelling of 57723434 in words is "fifty-seven million, seven hundred twenty-three thousand, four hundred thirty-four".