1423523662 has 64 divisors (see below), whose sum is σ = 2614291200. Its totient is φ = 572935680.

The previous prime is 1423523623. The next prime is 1423523663. The reversal of 1423523662 is 2663253241.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423523663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1157664 + ... + 1158892.

It is an arithmetic number, because the mean of its divisors is an integer number (40848300).

Almost surely, 2^1423523662 is an apocalyptic number.

1423523662 is a deficient number, since it is larger than the sum of its proper divisors (1190767538).

1423523662 is a wasteful number, since it uses less digits than its factorization.

1423523662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441.

The product of its digits is 51840, while the sum is 34.

The square root of 1423523662 is about 37729.6125344536. The cubic root of 1423523662 is about 1124.9198064977.

The spelling of 1423523662 in words is "one billion, four hundred twenty-three million, five hundred twenty-three thousand, six hundred sixty-two".