1423161100431 has 24 divisors (see below), whose sum is σ = 2358278208000. Its totient is φ = 810142757136.

The previous prime is 1423161100421. The next prime is 1423161100469. The reversal of 1423161100431 is 1340011613241.

1423161100431 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 1 + 611 + 0 + 0 + 43 + 1 = 666.

It is not a de Polignac number, because 1423161100431 - 2⁷ = 1423161100303 is a prime.

It is a super-2 number, since 2×1423161100431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423161100395 and 1423161100404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423161100421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42929931 + ... + 42963068.

It is an arithmetic number, because the mean of its divisors is an integer number (98261592000).

Almost surely, 2^{1423161100431} is an apocalyptic number.

1423161100431 is a deficient number, since it is larger than the sum of its proper divisors (935117107569).

1423161100431 is a wasteful number, since it uses less digits than its factorization.

1423161100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85893275 (or 85893272 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 1423161100431 its reverse (1340011613241), we get a palindrome (2763172713672).

The spelling of 1423161100431 in words is "one trillion, four hundred twenty-three billion, one hundred sixty-one million, one hundred thousand, four hundred thirty-one".