2231423145 has 96 divisors (see below), whose sum is σ = 4747092480. Its totient is φ = 946391040.

The previous prime is 2231423107. The next prime is 2231423149. The reversal of 2231423145 is 5413241322.

2231423145 is a `hidden beast` number, since 2 + 231 + 423 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 2231423145 - 2⁸ = 2231422889 is a prime.

It is a super-3 number, since 3×2231423145³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231423149) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 377271 + ... + 383139.

It is an arithmetic number, because the mean of its divisors is an integer number (49448880).

Almost surely, 2^2231423145 is an apocalyptic number.

It is an amenable number.

2231423145 is an abundant number, since it is smaller than the sum of its proper divisors (2515669335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231423145 is a wasteful number, since it uses less digits than its factorization.

2231423145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975 (or 5972 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2231423145 is about 47237.9417947057. The cubic root of 2231423145 is about 1306.7544201775.

Adding to 2231423145 its reverse (5413241322), we get a palindrome (7644664467).

The spelling of 2231423145 in words is "two billion, two hundred thirty-one million, four hundred twenty-three thousand, one hundred forty-five".