423157054 has 4 divisors (see below), whose sum is σ = 634735584. Its totient is φ = 211578526.

The previous prime is 423157051. The next prime is 423157127. The reversal of 423157054 is 450751324.

It is a semiprime because it is the product of two primes.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105789262 + ... + 105789265.

It is an arithmetic number, because the mean of its divisors is an integer number (158683896).

Almost surely, 2^423157054 is an apocalyptic number.

423157054 is a deficient number, since it is larger than the sum of its proper divisors (211578530).

423157054 is a wasteful number, since it uses less digits than its factorization.

423157054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211578529.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 423157054 is about 20570.7815602616. The cubic root of 423157054 is about 750.7589674026.

The spelling of 423157054 in words is "four hundred twenty-three million, one hundred fifty-seven thousand, fifty-four".