27451070023 has 6 divisors (see below), whose sum is σ = 29725123344. Its totient is φ = 25339449096.

The previous prime is 27451069973. The next prime is 27451070027. The reversal of 27451070023 is 32007015472.

It is not a de Polignac number, because 27451070023 - 2²⁵ = 27417515591 is a prime.

It is a super-2 number, since 2×27451070023² (a number of 22 digits) contains 22 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 (27451070027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81216015 + ... + 81216352.

It is an arithmetic number, because the mean of its divisors is an integer number (4954187224).

Almost surely, 2^27451070023 is an apocalyptic number.

27451070023 is a deficient number, since it is larger than the sum of its proper divisors (2274053321).

27451070023 is a wasteful number, since it uses less digits than its factorization.

27451070023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162432393 (or 162432380 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

Adding to 27451070023 its reverse (32007015472), we get a palindrome (59458085495).

The spelling of 27451070023 in words is "twenty-seven billion, four hundred fifty-one million, seventy thousand, twenty-three".