23061402 has 144 divisors (see below), whose sum is σ = 66934080. Its totient is φ = 5762016.

The previous prime is 23061359. The next prime is 23061407. The reversal of 23061402 is 20416032.

23061402 = 894² + 895² + ... + 921².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23061407) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1213749 + ... + 1213767.

It is an arithmetic number, because the mean of its divisors is an integer number (464820).

Almost surely, 2^23061402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23061402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33467040).

23061402 is an abundant number, since it is smaller than the sum of its proper divisors (43872678).

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

23061402 is a wasteful number, since it uses less digits than its factorization.

23061402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23061402 is about 4802.2288575202. The cubic root of 23061402 is about 284.6395443034.

Adding to 23061402 its reverse (20416032), we get a palindrome (43477434).

The spelling of 23061402 in words is "twenty-three million, sixty-one thousand, four hundred two".