23445450030 has 64 divisors (see below), whose sum is σ = 57172158720. Its totient is φ = 6151985664.

The previous prime is 23445450029. The next prime is 23445450037. The reversal of 23445450030 is 3005454432.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23445450030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445450037) 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, 1957801 + ... + 1969739.

It is an arithmetic number, because the mean of its divisors is an integer number (893314980).

Almost surely, 2^23445450030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23445450030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28586079360).

23445450030 is an abundant number, since it is smaller than the sum of its proper divisors (33726708690).

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

23445450030 is a wasteful number, since it uses less digits than its factorization.

23445450030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12993.

The product of its (nonzero) digits is 28800, while the sum is 30.

The spelling of 23445450030 in words is "twenty-three billion, four hundred forty-five million, four hundred fifty thousand, thirty".