523487998153 has 2 divisors, whose sum is σ = 523487998154. Its totient is φ = 523487998152.

The previous prime is 523487998141. The next prime is 523487998211. The reversal of 523487998153 is 351899784325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521568506809 + 1919491344 = 722197^2 + 43812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523487998153 is a prime.

It is a super-2 number, since 2×523487998153² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (523487918153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261743999076 + 261743999077.

It is an arithmetic number, because the mean of its divisors is an integer number (261743999077).

Almost surely, 2^523487998153 is an apocalyptic number.

It is an amenable number.

523487998153 is a deficient number, since it is larger than the sum of its proper divisors (1).

523487998153 is an equidigital number, since it uses as much as digits as its factorization.

523487998153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 64.

It can be divided in two parts, 523487 and 998153, that added together give a triangular number (1521640 = T₁₇₄₄).

The spelling of 523487998153 in words is "five hundred twenty-three billion, four hundred eighty-seven million, nine hundred ninety-eight thousand, one hundred fifty-three".