1423072553 has 12 divisors (see below), whose sum is σ = 1656046080. Its totient is φ = 1219308552.

The previous prime is 1423072549. The next prime is 1423072571. The reversal of 1423072553 is 3552703241.

It is not a de Polignac number, because 1423072553 - 2² = 1423072549 is a prime.

It is a super-2 number, since 2×1423072553² = 4050270982203875618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423072523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200300 + ... + 207282.

It is an arithmetic number, because the mean of its divisors is an integer number (138003840).

Almost surely, 2^1423072553 is an apocalyptic number.

It is an amenable number.

1423072553 is a deficient number, since it is larger than the sum of its proper divisors (232973527).

1423072553 is an equidigital number, since it uses as much as digits as its factorization.

1423072553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11156 (or 11149 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 1423072553 is about 37723.6338785118. The cubic root of 1423072553 is about 1124.8009664025.

Adding to 1423072553 its reverse (3552703241), we get a palindrome (4975775794).

The spelling of 1423072553 in words is "one billion, four hundred twenty-three million, seventy-two thousand, five hundred fifty-three".