1153423025 has 12 divisors (see below), whose sum is σ = 1505521200. Its totient is φ = 874172880.

The previous prime is 1153422971. The next prime is 1153423049. The reversal of 1153423025 is 5203243511.

It is a happy number.

It is not a de Polignac number, because 1153423025 - 2⁶ = 1153422961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153422985 and 1153423003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1213655 + ... + 1214604.

It is an arithmetic number, because the mean of its divisors is an integer number (125460100).

Almost surely, 2^1153423025 is an apocalyptic number.

It is an amenable number.

1153423025 is a deficient number, since it is larger than the sum of its proper divisors (352098175).

1153423025 is a wasteful number, since it uses less digits than its factorization.

1153423025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428288 (or 2428283 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1153423025 is about 33962.0821652619. The cubic root of 1153423025 is about 1048.7280213392.

Adding to 1153423025 its reverse (5203243511), we get a palindrome (6356666536).

The spelling of 1153423025 in words is "one billion, one hundred fifty-three million, four hundred twenty-three thousand, twenty-five".