2547172023 has 16 divisors (see below), whose sum is σ = 3711171072. Its totient is φ = 1541160000.

The previous prime is 2547172021. The next prime is 2547172049. The reversal of 2547172023 is 3202717452.

It is not a de Polignac number, because 2547172023 - 2¹ = 2547172021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547172021) 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, 44383 + ... + 84048.

It is an arithmetic number, because the mean of its divisors is an integer number (231948192).

Almost surely, 2^2547172023 is an apocalyptic number.

2547172023 is a deficient number, since it is larger than the sum of its proper divisors (1163999049).

2547172023 is a wasteful number, since it uses less digits than its factorization.

2547172023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129046.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 2547172023 is about 50469.5157793296. The cubic root of 2547172023 is about 1365.6919788432.

Adding to 2547172023 its reverse (3202717452), we get a palindrome (5749889475).

The spelling of 2547172023 in words is "two billion, five hundred forty-seven million, one hundred seventy-two thousand, twenty-three".