23503042446 has 64 divisors (see below), whose sum is σ = 53562996480. Its totient is φ = 6815508480.

The previous prime is 23503042441. The next prime is 23503042573. The reversal of 23503042446 is 64424030532.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23503042441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244941 + ... + 327111.

It is an arithmetic number, because the mean of its divisors is an integer number (836921820).

Almost surely, 2^23503042446 is an apocalyptic number.

23503042446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23503042446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26781498240).

23503042446 is an abundant number, since it is smaller than the sum of its proper divisors (30059954034).

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

23503042446 is a wasteful number, since it uses less digits than its factorization.

23503042446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82401.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 23503042446 its reverse (64424030532), we get a palindrome (87927072978).

The spelling of 23503042446 in words is "twenty-three billion, five hundred three million, forty-two thousand, four hundred forty-six".