1425180623 has 4 divisors (see below), whose sum is σ = 1459941168. Its totient is φ = 1390420080.

The previous prime is 1425180613. The next prime is 1425180641. The reversal of 1425180623 is 3260815241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425180623 - 2¹⁰ = 1425179599 is a prime.

It is a super-2 number, since 2×1425180623² = 4062279616349336258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425180623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425180613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17380211 + ... + 17380292.

It is an arithmetic number, because the mean of its divisors is an integer number (364985292).

Almost surely, 2^1425180623 is an apocalyptic number.

1425180623 is a deficient number, since it is larger than the sum of its proper divisors (34760545).

1425180623 is an equidigital number, since it uses as much as digits as its factorization.

1425180623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34760544.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1425180623 is about 37751.5645106266. The cubic root of 1425180623 is about 1125.3561007351.

Adding to 1425180623 its reverse (3260815241), we get a palindrome (4685995864).

The spelling of 1425180623 in words is "one billion, four hundred twenty-five million, one hundred eighty thousand, six hundred twenty-three".