23151601 has 8 divisors (see below), whose sum is σ = 25303104. Its totient is φ = 21007920.

The previous prime is 23151577. The next prime is 23151629. The reversal of 23151601 is 10615132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23151601 - 2⁷ = 23151473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23151631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5491 + ... + 8743.

It is an arithmetic number, because the mean of its divisors is an integer number (3162888).

Almost surely, 2^23151601 is an apocalyptic number.

It is an amenable number.

23151601 is a deficient number, since it is larger than the sum of its proper divisors (2151503).

23151601 is a wasteful number, since it uses less digits than its factorization.

23151601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 23151601 is about 4811.6110607571. The cubic root of 23151601 is about 285.0101607130.

Adding to 23151601 its reverse (10615132), we get a palindrome (33766733).

It can be divided in two parts, 2315 and 1601, that added together give a triangular number (3916 = T₈₈).

The spelling of 23151601 in words is "twenty-three million, one hundred fifty-one thousand, six hundred one".