1457205423 has 16 divisors (see below), whose sum is σ = 1978454400. Its totient is φ = 953756640.

The previous prime is 1457205419. The next prime is 1457205433. The reversal of 1457205423 is 3245027541.

It is not a de Polignac number, because 1457205423 - 2² = 1457205419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457205433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141768 + ... + 151698.

It is an arithmetic number, because the mean of its divisors is an integer number (123653400).

Almost surely, 2^1457205423 is an apocalyptic number.

1457205423 is a deficient number, since it is larger than the sum of its proper divisors (521248977).

1457205423 is an equidigital number, since it uses as much as digits as its factorization.

1457205423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 1457205423 is about 38173.3601219489. The cubic root of 1457205423 is about 1133.7229189377.

The spelling of 1457205423 in words is "one billion, four hundred fifty-seven million, two hundred five thousand, four hundred twenty-three".