1422153623 has 16 divisors (see below), whose sum is σ = 1572673536. Its totient is φ = 1275224640.

The previous prime is 1422153617. The next prime is 1422153637. The reversal of 1422153623 is 3263512241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1422153623 - 2⁶ = 1422153559 is a prime.

It is a super-2 number, since 2×1422153623² = 4045041854824052258, which 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 (1422153653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991715 + ... + 993147.

It is an arithmetic number, because the mean of its divisors is an integer number (98292096).

Almost surely, 2^1422153623 is an apocalyptic number.

1422153623 is a deficient number, since it is larger than the sum of its proper divisors (150519913).

1422153623 is a wasteful number, since it uses less digits than its factorization.

1422153623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614.

The product of its digits is 8640, while the sum is 29.

The square root of 1422153623 is about 37711.4521465297. The cubic root of 1422153623 is about 1124.5588058955.

Adding to 1422153623 its reverse (3263512241), we get a palindrome (4685665864).

The spelling of 1422153623 in words is "one billion, four hundred twenty-two million, one hundred fifty-three thousand, six hundred twenty-three".