462723389 has 2 divisors, whose sum is σ = 462723390. Its totient is φ = 462723388.

The previous prime is 462723347. The next prime is 462723403. The reversal of 462723389 is 983327264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377991364 + 84732025 = 19442^2 + 9205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-462723389 is a prime.

It is a super-2 number, since 2×462723389² = 428225869455290642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462723889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231361694 + 231361695.

It is an arithmetic number, because the mean of its divisors is an integer number (231361695).

Almost surely, 2^462723389 is an apocalyptic number.

It is an amenable number.

462723389 is a deficient number, since it is larger than the sum of its proper divisors (1).

462723389 is an equidigital number, since it uses as much as digits as its factorization.

462723389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 462723389 is about 21511.0062293701. The cubic root of 462723389 is about 773.4646754515.

The spelling of 462723389 in words is "four hundred sixty-two million, seven hundred twenty-three thousand, three hundred eighty-nine".