1523012422 has 16 divisors (see below), whose sum is σ = 2429296272. Its totient is φ = 713632000.

The previous prime is 1523012383. The next prime is 1523012467. The reversal of 1523012422 is 2242103251.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1523012393 and 1523012402.

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, 88204 + ... + 104047.

It is an arithmetic number, because the mean of its divisors is an integer number (151831017).

Almost surely, 2^1523012422 is an apocalyptic number.

1523012422 is a deficient number, since it is larger than the sum of its proper divisors (906283850).

1523012422 is a wasteful number, since it uses less digits than its factorization.

1523012422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192503.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1523012422 is about 39025.7917536595. The cubic root of 1523012422 is about 1150.5384805236.

Adding to 1523012422 its reverse (2242103251), we get a palindrome (3765115673).

The spelling of 1523012422 in words is "one billion, five hundred twenty-three million, twelve thousand, four hundred twenty-two".