1553331423 has 16 divisors (see below), whose sum is σ = 2388700160. Its totient is φ = 879473376.

The previous prime is 1553331421. The next prime is 1553331433. The reversal of 1553331423 is 3241333551.

It is not a de Polignac number, because 1553331423 - 2¹ = 1553331421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553331421) 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, 337015 + ... + 341592.

It is an arithmetic number, because the mean of its divisors is an integer number (149293760).

Almost surely, 2^1553331423 is an apocalyptic number.

1553331423 is a deficient number, since it is larger than the sum of its proper divisors (835368737).

1553331423 is a wasteful number, since it uses less digits than its factorization.

1553331423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678726.

The product of its digits is 16200, while the sum is 30.

The square root of 1553331423 is about 39412.3257750669. The cubic root of 1553331423 is about 1158.1230603229.

Adding to 1553331423 its reverse (3241333551), we get a palindrome (4794664974).

The spelling of 1553331423 in words is "one billion, five hundred fifty-three million, three hundred thirty-one thousand, four hundred twenty-three".