1457405123 has 2 divisors, whose sum is σ = 1457405124. Its totient is φ = 1457405122.

The previous prime is 1457405119. The next prime is 1457405129. The reversal of 1457405123 is 3215047541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1457405123 - 2² = 1457405119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1457405123.

It is not a weakly prime, because it can be changed into another prime (1457405129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728702561 + 728702562.

It is an arithmetic number, because the mean of its divisors is an integer number (728702562).

Almost surely, 2^1457405123 is an apocalyptic number.

1457405123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457405123 is an equidigital number, since it uses as much as digits as its factorization.

1457405123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1457405123 is about 38175.9757308179. The cubic root of 1457405123 is about 1133.7747062199.

The spelling of 1457405123 in words is "one billion, four hundred fifty-seven million, four hundred five thousand, one hundred twenty-three".