57433823 has 2 divisors, whose sum is σ = 57433824. Its totient is φ = 57433822.

The previous prime is 57433813. The next prime is 57433861. The reversal of 57433823 is 32833475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57433823 - 2¹² = 57429727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57433813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28716911 + 28716912.

It is an arithmetic number, because the mean of its divisors is an integer number (28716912).

Almost surely, 2^57433823 is an apocalyptic number.

57433823 is a deficient number, since it is larger than the sum of its proper divisors (1).

57433823 is an equidigital number, since it uses as much as digits as its factorization.

57433823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 57433823 is about 7578.5106056533. The cubic root of 57433823 is about 385.8240022913.

The spelling of 57433823 in words is "fifty-seven million, four hundred thirty-three thousand, eight hundred twenty-three".