423157055 has 8 divisors (see below), whose sum is σ = 507898944. Its totient is φ = 338452000.

The previous prime is 423157051. The next prime is 423157127. The reversal of 423157055 is 550751324.

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

It is not a de Polignac number, because 423157055 - 2² = 423157051 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 (423157051) 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, 39530 + ... + 49080.

It is an arithmetic number, because the mean of its divisors is an integer number (63487368).

Almost surely, 2^423157055 is an apocalyptic number.

423157055 is a deficient number, since it is larger than the sum of its proper divisors (84741889).

423157055 is an equidigital number, since it uses as much as digits as its factorization.

423157055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18417.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 423157055 is about 20570.7815845680. The cubic root of 423157055 is about 750.7589679940.

The spelling of 423157055 in words is "four hundred twenty-three million, one hundred fifty-seven thousand, fifty-five".