23103432213440 has 224 divisors, whose sum is σ = 59536586926080. Its totient is φ = 8506125860864.

The previous prime is 23103432213439. The next prime is 23103432213467. The reversal of 23103432213440 is 4431223430132.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 23103432213397 and 23103432213406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337207667 + ... + 337276173.

Almost surely, 2^{23103432213440} is an apocalyptic number.

23103432213440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23103432213440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29768293463040).

23103432213440 is an abundant number, since it is smaller than the sum of its proper divisors (36433154712640).

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

23103432213440 is a wasteful number, since it uses less digits than its factorization.

23103432213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69907 (or 69897 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 23103432213440 its reverse (4431223430132), we get a palindrome (27534655643572).

The spelling of 23103432213440 in words is "twenty-three trillion, one hundred three billion, four hundred thirty-two million, two hundred thirteen thousand, four hundred forty".