523814762381 has 2 divisors, whose sum is σ = 523814762382. Its totient is φ = 523814762380.

The previous prime is 523814762329. The next prime is 523814762407. The reversal of 523814762381 is 183267418325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496954502500 + 26860259881 = 704950^2 + 163891^2 .

It is a cyclic number.

It is not a de Polignac number, because 523814762381 - 2³⁸ = 248936855437 is a prime.

It is a super-2 number, since 2×523814762381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523814764381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261907381190 + 261907381191.

It is an arithmetic number, because the mean of its divisors is an integer number (261907381191).

Almost surely, 2^523814762381 is an apocalyptic number.

It is an amenable number.

523814762381 is a deficient number, since it is larger than the sum of its proper divisors (1).

523814762381 is an equidigital number, since it uses as much as digits as its factorization.

523814762381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 50.

The spelling of 523814762381 in words is "five hundred twenty-three billion, eight hundred fourteen million, seven hundred sixty-two thousand, three hundred eighty-one".