1423735144 has 32 divisors (see below), whose sum is σ = 2999848320. Its totient is φ = 628537536.

The previous prime is 1423735141. The next prime is 1423735163. The reversal of 1423735144 is 4415373241.

It is not an unprimeable number, because it can be changed into a prime (1423735141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295212 + ... + 299995.

It is an arithmetic number, because the mean of its divisors is an integer number (93745260).

Almost surely, 2^1423735144 is an apocalyptic number.

It is an amenable number.

1423735144 is an abundant number, since it is smaller than the sum of its proper divisors (1576113176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423735144 is a wasteful number, since it uses less digits than its factorization.

1423735144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595249 (or 595245 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 1423735144 is about 37732.4150300508. The cubic root of 1423735144 is about 1124.9755106439.

The spelling of 1423735144 in words is "one billion, four hundred twenty-three million, seven hundred thirty-five thousand, one hundred forty-four".