1423231531870 has 16 divisors (see below), whose sum is σ = 2696649218640. Its totient is φ = 539329843584.

The previous prime is 1423231531859. The next prime is 1423231531961. The reversal of 1423231531870 is 781351323241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3745345947 + ... + 3745346326.

It is an arithmetic number, because the mean of its divisors is an integer number (168540576165).

Almost surely, 2^{1423231531870} is an apocalyptic number.

1423231531870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423231531870 is a deficient number, since it is larger than the sum of its proper divisors (1273417686770).

1423231531870 is a wasteful number, since it uses less digits than its factorization.

1423231531870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490692299.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 1423231531870 in words is "one trillion, four hundred twenty-three billion, two hundred thirty-one million, five hundred thirty-one thousand, eight hundred seventy".