523263434574037 has 4 divisors (see below), whose sum is σ = 523282749629536. Its totient is φ = 523244119518540.

The previous prime is 523263434574029. The next prime is 523263434574043. The reversal of 523263434574037 is 730475434362325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523263434574037 - 2³ = 523263434574029 is a prime.

It is a super-3 number, since 3×523263434574037³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523263434572037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9657487113 + ... + 9657541294.

It is an arithmetic number, because the mean of its divisors is an integer number (130820687407384).

Almost surely, 2^{523263434574037} is an apocalyptic number.

It is an amenable number.

523263434574037 is a deficient number, since it is larger than the sum of its proper divisors (19315055499).

523263434574037 is a wasteful number, since it uses less digits than its factorization.

523263434574037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19315055498.

The product of its (nonzero) digits is 152409600, while the sum is 58.

The spelling of 523263434574037 in words is "five hundred twenty-three trillion, two hundred sixty-three billion, four hundred thirty-four million, five hundred seventy-four thousand, thirty-seven".